/*
 *  Author: zhaijl 
 *  Url: http://218.1.73.212/down.php
 *  Country: China
 *  
 * ====================================================================
 *
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 * ====================================================================
 *
 * This software based apache mina 2.0 and spring 3.0
 *
 */
package org.cloudy.common.util;

import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;

public class CommonUtil {
	public static String formatDate ( Date date, String ft ) {
		DateFormat format = new SimpleDateFormat(ft);  
		return format.format ( date ) ;
	}	
	
	public static String getExtend ( String filename ) {
		if ( filename == null || filename.length () <= 0 )  return "" ;
		int pos = filename.lastIndexOf ( "." ) ;
		if ( pos < 0 ) return "" ;
		return filename.substring ( pos ) ;
	}	
}